<?php
/**
 * @version 1.0 对象存储相关逻辑类
 * @internal
 * @link
 * @property
 * @see
 * @since
 * @uses
 *
 */
namespace app\user\logic;
use app\Api;
use app\user\logic\Push as IndexLogicPush;

class SendPush extends Api
{
    private static $obj = null;

    public function __construct()
    {
        parent::__construct();
    }

    /**
     * 类入口
     * @return SendPush|null
     */
    public static function getInstance()
    {
        if (is_null(self::$obj))
            self::$obj = new self();
        return self::$obj;
    }
}
